Home / 355,804,340.55-490,665,042.36-277,459,308.33

Finding the Fourth Proportional to 355,804,340.55, 490,665,042.36 and 277,459,308.33

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Solution

The fourth proportional to 355,804,340.55, 490,665,042.36 and 277,459,308.33 is: 382,624,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,804,340.55 : 490,665,042.36 = 277,459,308.33 : x
  2. Step 2: Convert to fraction form
    355,804,340.55/490,665,042.36 = 277,459,308.33/x
  3. Step 3: Cross multiply
    355,804,340.55x = 490,665,042.36 × 277,459,308.33
  4. Step 4: Simplify right side
    355,804,340.55x = 136,139,583,274,915,744
  5. Step 5: Solve for x
    x = 136,139,583,274,915,744/355,804,340.55
  6. Step 6: Final answer
    x = 382,624,852.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.